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Examples of facilitated diffusion

Updated: 4/28/2022
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12y ago

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This is an example of active transport. This type of diffusion utilizes ATP whereas Passive diffusion don't. There are special pores or transporter proteins in the cell wall of any microbial cell, which allows diffusion of a molecule across it with the consumption of ATP.

Example Sodium Potassium Pump, which allows transport of Na and K across the cell membrane. Here, Sodium is flushed out of the cell and K is taken in via the membrane transporter protein with the consumption of ATP.

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Facilitated Diffusion is a form of passive transport as opposed to active transport.

It allows the passage of substances to cross membranes with the assistance of transporter proteins. Some substances such as glucose, sodium and chloride ions cannot pass through the lipid bi-layer of cell membranes. by using ion channel proteins and carrier proteins which are embedded in the cell membrane these type of substances can be transported. The ion channel proteins allow specific ions to pass though a protein channel. They are regulated by the cell and are either open or shut so controlling the passage of the substance into the cell. Carrier proteins bind specific molecules, change shape and then deposit it across the membrane. Once completed they return to their original position.

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11y ago
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12y ago

An example of facilitated diffusion is the movement of a DNA binding protein along a DNA strand. Hope this helps and that it was on time!

its passive transport :)

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